Tennessee Area Codes
Data last updated: March 10, 2026
Area Codes in Tennessee
| NPA | Major Cities | Status | Exchanges | Overlay |
|---|---|---|---|---|
| 423 | Chattanooga, Johnson City, Knoxville | Active | 785 | Yes |
| 615 | Nashville, Brentwood, Smithville | Active | 781 | Yes |
| 629 | Nashville, Lebanon, Tullahoma | Active | 786 | Yes |
| 729 | Chattanooga | Active | 786 | Yes |
| 731 | Memphis, Jackson, Collierville | Active | 785 | No |
| 865 | Knoxville, Alcoa, Morristown | Active | 786 | No |
| 901 | Memphis, Collierville, Bartlett | Active | 771 | No |
| 931 | Nashville, Cookeville, McMinnville | Active | 774 | Yes |
Top Carriers in Tennessee
| Carrier | OCN | NXX Count |
|---|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 796 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 404 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | 384 |
| ONVOY, LLC - TN | 525E | 247 |
| PAETEC ITEL, LLC | 829J | 204 |
| LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | 189 |
| POWERTEL NASHVILLE LICENSES, INC. | 7476 | 147 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | 106 |
| BANDWIDTH.COM CLEC, LLC - TN | 124F | 95 |
| UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN | 4510 | 83 |